#32 UnitTest

LernProgramm/testProgramm.java

@@ -86,6 +86,20 @@ class testProgramm {
 		assertEquals(1, result, 0);
 	}
 
+@Test
+	public void testFakultaetWithPositiveNumber() {
+		String input = "5\n";
+		ByteArrayInputStream in = new ByteArrayInputStream(input.getBytes());
+		System.setIn(in);
+
+		ByteArrayOutputStream out = new ByteArrayOutputStream();
+		System.setOut(new PrintStream(out));
+
+		FunktionenAusgelagert.Fakultaet();
+
+		assertEquals("120\n", out.toString());
+	}
+